diff options
Diffstat (limited to 'qemu/roms/u-boot/tools/default_image.c')
| -rw-r--r-- | qemu/roms/u-boot/tools/default_image.c | 194 |
1 files changed, 0 insertions, 194 deletions
diff --git a/qemu/roms/u-boot/tools/default_image.c b/qemu/roms/u-boot/tools/default_image.c deleted file mode 100644 index 0a0792e50..000000000 --- a/qemu/roms/u-boot/tools/default_image.c +++ /dev/null @@ -1,194 +0,0 @@ -/* - * (C) Copyright 2008 Semihalf - * - * (C) Copyright 2000-2004 - * DENX Software Engineering - * Wolfgang Denk, wd@denx.de - * - * Updated-by: Prafulla Wadaskar <prafulla@marvell.com> - * default_image specific code abstracted from mkimage.c - * some functions added to address abstraction - * - * All rights reserved. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include "imagetool.h" -#include <image.h> -#include <u-boot/crc.h> - -static image_header_t header; - -static int image_check_image_types(uint8_t type) -{ - if (((type > IH_TYPE_INVALID) && (type < IH_TYPE_FLATDT)) || - (type == IH_TYPE_KERNEL_NOLOAD)) - return EXIT_SUCCESS; - else - return EXIT_FAILURE; -} - -static int image_check_params(struct image_tool_params *params) -{ - return ((params->dflag && (params->fflag || params->lflag)) || - (params->fflag && (params->dflag || params->lflag)) || - (params->lflag && (params->dflag || params->fflag))); -} - -static int image_verify_header(unsigned char *ptr, int image_size, - struct image_tool_params *params) -{ - uint32_t len; - const unsigned char *data; - uint32_t checksum; - image_header_t header; - image_header_t *hdr = &header; - - /* - * create copy of header so that we can blank out the - * checksum field for checking - this can't be done - * on the PROT_READ mapped data. - */ - memcpy(hdr, ptr, sizeof(image_header_t)); - - if (be32_to_cpu(hdr->ih_magic) != IH_MAGIC) { - fprintf(stderr, - "%s: Bad Magic Number: \"%s\" is no valid image\n", - params->cmdname, params->imagefile); - return -FDT_ERR_BADMAGIC; - } - - data = (const unsigned char *)hdr; - len = sizeof(image_header_t); - - checksum = be32_to_cpu(hdr->ih_hcrc); - hdr->ih_hcrc = cpu_to_be32(0); /* clear for re-calculation */ - - if (crc32(0, data, len) != checksum) { - fprintf(stderr, - "%s: ERROR: \"%s\" has bad header checksum!\n", - params->cmdname, params->imagefile); - return -FDT_ERR_BADSTATE; - } - - data = (const unsigned char *)ptr + sizeof(image_header_t); - len = image_size - sizeof(image_header_t) ; - - checksum = be32_to_cpu(hdr->ih_dcrc); - if (crc32(0, data, len) != checksum) { - fprintf(stderr, - "%s: ERROR: \"%s\" has corrupted data!\n", - params->cmdname, params->imagefile); - return -FDT_ERR_BADSTRUCTURE; - } - return 0; -} - -static void image_set_header(void *ptr, struct stat *sbuf, int ifd, - struct image_tool_params *params) -{ - uint32_t checksum; - - image_header_t * hdr = (image_header_t *)ptr; - - checksum = crc32(0, - (const unsigned char *)(ptr + - sizeof(image_header_t)), - sbuf->st_size - sizeof(image_header_t)); - - /* Build new header */ - image_set_magic(hdr, IH_MAGIC); - image_set_time(hdr, sbuf->st_mtime); - image_set_size(hdr, sbuf->st_size - sizeof(image_header_t)); - image_set_load(hdr, params->addr); - image_set_ep(hdr, params->ep); - image_set_dcrc(hdr, checksum); - image_set_os(hdr, params->os); - image_set_arch(hdr, params->arch); - image_set_type(hdr, params->type); - image_set_comp(hdr, params->comp); - - image_set_name(hdr, params->imagename); - - checksum = crc32(0, (const unsigned char *)hdr, - sizeof(image_header_t)); - - image_set_hcrc(hdr, checksum); -} - -static int image_save_datafile(struct image_tool_params *params, - ulong file_data, ulong file_len) -{ - int dfd; - const char *datafile = params->outfile; - - dfd = open(datafile, O_RDWR | O_CREAT | O_TRUNC | O_BINARY, - S_IRUSR | S_IWUSR); - if (dfd < 0) { - fprintf(stderr, "%s: Can't open \"%s\": %s\n", - params->cmdname, datafile, strerror(errno)); - return -1; - } - - if (write(dfd, (void *)file_data, file_len) != (ssize_t)file_len) { - fprintf(stderr, "%s: Write error on \"%s\": %s\n", - params->cmdname, datafile, strerror(errno)); - close(dfd); - return -1; - } - - close(dfd); - - return 0; -} - -static int image_extract_datafile(void *ptr, struct image_tool_params *params) -{ - const image_header_t *hdr = (const image_header_t *)ptr; - ulong file_data; - ulong file_len; - - if (image_check_type(hdr, IH_TYPE_MULTI)) { - ulong idx = params->pflag; - ulong count; - - /* get the number of data files present in the image */ - count = image_multi_count(hdr); - - /* retrieve the "data file" at the idx position */ - image_multi_getimg(hdr, idx, &file_data, &file_len); - - if ((file_len == 0) || (idx >= count)) { - fprintf(stderr, "%s: No such data file %ld in \"%s\"\n", - params->cmdname, idx, params->imagefile); - return -1; - } - } else { - file_data = image_get_data(hdr); - file_len = image_get_size(hdr); - } - - /* save the "data file" into the file system */ - return image_save_datafile(params, file_data, file_len); -} - -/* - * Default image type parameters definition - */ -static struct image_type_params defimage_params = { - .name = "Default Image support", - .header_size = sizeof(image_header_t), - .hdr = (void*)&header, - .check_image_type = image_check_image_types, - .verify_header = image_verify_header, - .print_header = image_print_contents, - .set_header = image_set_header, - .extract_datafile = image_extract_datafile, - .check_params = image_check_params, -}; - -void init_default_image_type(void) -{ - register_image_type(&defimage_params); -} |